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Preface

This document describes the RISC-V architecture profiles. It contains the following profiles, all of which have been ratified:

Profile
RVI20U32
RVI20U64
RVA20U64
RVA20S64
RVA22U64
RVA22S64
RVA23U64
RVA23S64
RVB23U64
RVB23S64

Changes made since ratification of RVA23 and RVB23 profiles

  • Removed outdated text in existing profiles
  • Removed duplicated definitions of Sha

Changes made since ratification of RVA22 profiles

  • Clarified that Zihpm was optional in RVA20U64 and became mandatory in RVA22U64

Changes made since public review of RVA22 profiles

  • Clarified that profile name can be used as ISA base string
  • Renamed Ssptead to Svade
  • Fixed Ssu64xl to make supporting UXL=64 mandatory
  • Added section listing new extension names in profiles document
  • Added new extension name Sscounterenw
  • Removed outdated text on Zicntr/Zihpm ratification plan